Do you know China "New four great inventions"? The "four major inventions" in ancient China refer to papermaking, compass, gunpowder, and printing. Everyone knows very well, but what are the "new four major inventions" of modern China? Let’s get to know it. The "new four major inventions" of modern ... Read More

Barcode Scanner Interface types Modern barcode scanners are normally available with one of three "output options" - either "Keyboard Wedge" output, RS232 serial output, or USB output. The following is a description of each of the three output options and how they work and the differences between ... Read More

How to choose a good barcode scanner? Q: How do you distinguish between different scanners? Resolution For the barcode scanning system, the resolution is to correctly detect the width of the narrowest stripe read. English is MINIMA LBA RWIDTH is abbreviated as MBW selection device, not the higher ... Read More

Q1: Why is the scanner device not powered? A: 1.1 Power is not connected. 1.2 Fuse blown 1.3 Scanner power circuit failure Q2: How to set up the barcode scanner? A: Under normal circumstances, it has been set up for you. The general steps are as following: Set All Default,At this step it is enough, ... Read More

Barcode scanners can be extremely simple devices made up of a light source, a photo diode and a simple decoder or complex CCD or camera based scanners. We will inroduce them and learn how barcode scanners work and how to scan barcodes into a computer. There are currently 4 different types of barcode ... Read More